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Tempered Low Iron Glass, FDA Grade ABS, Stainless Steel, FDA Grade Silicone
exterior dimensions: 7" x 7" x 2" (17cm x 17cm x 5cm)
interior dimensions: 6" diameter x 1" (150cm dia x 2.5cm)
volume: 13 fl oz (390ml)

design by Martin Kastner

What is Included:
  • One Porthole.
  • Three photo-etched stainless steel filter screens of varying densities.
  • One flexible silicone cap to seal the contents for longer term infusions.
  • One hex key.
  • A set of thumbscrews that can be used as an alternative to the countersunk screws for faster assembly.

  • NOTE: Orders placed here ship from out Chicago location.

    Click here to order from our European web shop.


    Check out our original Kickstarter campaign:

    The Porthole on Kickstarter
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